20966356838

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{653687}}^1$

素因数の和:653804

約数の個数: 32

約数和(自身を含む): 37652428800

約数和(自身を除く): 16686071962

約数列:

[1, 2, 7, 14, 29, 58, 79, 158, 203, 406, 553, 1106, 2291, 4582, 16037, 32074, 653687, 1307374, 4575809, 9151618, 18956923, 37913846, 51641273, 103282546, 132698461, 265396922, 361488911, 722977822, 1497596917, 2995193834, 10483178419, 20966356838]

約数ペア:

[(1, 20966356838), (2, 10483178419), (7, 2995193834), (14, 1497596917), (29, 722977822), (58, 361488911), (79, 265396922), (158, 132698461), (203, 103282546), (406, 51641273), (553, 37913846), (1106, 18956923), (2291, 9151618), (4582, 4575809), (16037, 1307374), (32074, 653687)]